Formula Sheets - Statistical Analysis for Business I | MSIT 3001, Study notes of Business Management and Analysis

Download Formula Sheets - Statistical Analysis for Business I | MSIT 3001 and more Study notes Business Management and Analysis in PDF only on Docsity! Formula Sheet for MSIT 3000 yz     or y yz s  y = µ + zσσ Categorical / Binomial Quantitative Sampling distribution of p mean = p standard deviation = SE  p = p q n Sampling distribution of y mean = µ standard deviation = SE y = σ n Confidence interval * ˆ ˆˆ pq p z n  Confidence interval y±t n−1 ¿ s n n=  z¿  2 pq ME 2 n= z ¿ σ ME  2 p̂ pz pq n   t= y− μ s /n Test Statistic: z or t = estimate−mean  estimate  SE  estmate  χ 2=∑ i=1 k Observed count − Expected count  2 Expected count y= b0b 1 x b1=r s y sx b 0= y−b 1 x